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Legacy codebases frequently contain hardcoded logic and complex build scripts that depend on specific filesystem structures, making them notoriously difficult to modernize in isolated environments. Docker Sandbox addresses this challenge through a bidirectional workspace Link to article: …
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Learn C# string searching with Contains, IndexOf, Split, Replace, and .NET 8 SearchValues for SIMD-accelerated multi-character searching with code examples. Link to article: https://www.devleader.ca/2026/04/16/c-string-searching-contains-indexof-split-replace-and-searchvalues
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This month we're shipping three updates that make Reinforcement Fine-Tuning (RFT) more accessible, more powerful, and easier to get right: Global Training for o4-mini — train from 13+ Azure regions at lower per-token rates. New model graders — GPT-4.1, GPT-4.1-mini, and GPT-4.1-nan Link to article: …
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In this post, we demonstrate two approaches to fine-tune Amazon Nova Micro for custom SQL dialect generation to deliver both cost efficiency and production ready performance. Link to article: …
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Online retailers face a persistent challenge: shoppers struggle to determine the fit and look when ordering online, leading to increased returns and decreased purchase confidence. The cost? Lost revenue, operational overhead, and customer frustration. Meanwhile, consumers increasingly expect immersive, interactive …
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In this post, you'll learn why probabilistic AI validation falls short in regulated industries and how Automated Reasoning checks use formal verification to deliver mathematically proven results. You'll also see how customers across six industries use this technology to produce formally verified, auditable AI outputs, …
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Last week, we launched Docker Sandboxes with a bold goal: to deliver the strongest agent isolation in the market. This post unpacks that claim, how microVMs enable it, and some of the architectural choices we made in this approach. The Problem With Every Other Approach Every sandboxing model asks you to give something …
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Running Aspire apps from the CLI has a friction point: your terminal is locked to the AppHost process. While the app is running, you can't use the terminal to check logs or telemetry. You must open a new terminal window. Worse, if an agent has started your Aspire app to test a feature, the agent may decide to kill the …
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In March 2026, developers came together at VS Live! Las Vegas for a full week of technical learning, hands-on exploration, and a lot of great conversations about where software development is headed next. From AI-assisted development to modern .NET, cloud-native apps, and developer productivity, one thing was Link to …
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Spring AI is the application-facing integration layer you may already use. Koog is the next layer up when you need agent orchestration. Spring AI already covers the chat model API, chat memory, and vector storage for RAG, and it provides Spring Boot starters with auto-configuration. Koog’s role is not to erase that, …
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A customer, via their customer liaison, reported quite some time ago that their program stopped working on Windows XP. (I told you it was quite some time ago.) The customer's investigations revealed that the problem occurred because their window was receiving message 0x0091, and the parameters are wrong. Who is sending …
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Learn how to implement command pattern in C# with a step-by-step guide covering command interfaces, concrete commands, invokers, and undo/redo support. Link to article: https://www.devleader.ca/2026/04/16/how-to-implement-command-pattern-in-c-stepbystep-guide
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Earlier this winter, JetBrains and Cloud9 launched Sky’s the Limit, a global hackathon created to bring together two communities that share the same DNA: developers and esports enthusiasts. The idea was straightforward – developers like solving complex problems, and esports is full of strategy, data, and performance …
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The updated Codex app for macOS and Windows adds computer use, in-app browsing, image generation, memory, and plugins to accelerate developer workflows. Link to article: https://openai.com/index/codex-for-almost-everything
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OpenAI introduces GPT-Rosalind, a frontier reasoning model built to accelerate drug discovery, genomics analysis, protein reasoning, and scientific research workflows. Link to article: https://openai.com/index/introducing-gpt-rosalind
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Leading security firms and enterprises join OpenAI’s Trusted Access for Cyber, using GPT-5.4-Cyber and $10M in API grants to strengthen global cyber defense. Link to article: https://openai.com/index/accelerating-cyber-defense-ecosystem
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Learn what feature slicing is in C# and how to organize your .NET projects by feature instead of by layer. Practical examples using a task app, no MediatR required. Link to article: https://www.devleader.ca/2026/04/15/feature-slicing-in-c-organizing-code-by-feature
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Azure MCP tools now ship built into Visual Studio 2022 — no extension required Azure MCP tools are now built into Visual Studio 2022 as part of the Azure development workload — no separate extension to find, install, or update. You can enable over 230 tools across 45 Azure services directly in GitHub Copilot Chat and m …
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AI coding assistants are no longer shiny add‑ons: they are standard parts of our daily workflows. We know developers’ perspectives on them in the short term, and many say they get more done and spend less time on boilerplate or boring tasks. But we know far less about what happens over years of real work […] Link to …
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Learn what's new in Visual Studio Code 1.116 Read the full article Link to article: https://devblogs.microsoft.com/vscode-blog/visual-studio-code-1.116
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